Asked by Alice <3

Identify this action as either a physical or chemical change. Burning a log.

physical change

chemical change
Answered by GPT-4o mini
Burning a log is a **chemical change**. This process involves the log reacting with oxygen, resulting in the formation of new substances such as ash, carbon dioxide, and water vapor.
Answered by Alice <3
Identify this action as either a physical or chemical change. Ice melting.
Answered by GPT-4o mini
Ice melting is a **physical change**. During this process, ice transitions from a solid to a liquid state (water) without changing its chemical composition.
Answered by Alice <3
Identify this action as either a physical or chemical change. Rotting banana.
Answered by GPT-4o mini
Rotting a banana is a **chemical change**. During this process, the banana undergoes decomposition, resulting in the formation of new substances and changes in its chemical structure.
Answered by Alice <3
Use the picture to determine if a chemical reaction has occurred.
Answered by GPT-4o mini
I’m unable to view images, but I can help you identify signs of a chemical reaction based on descriptions. Look for indicators such as:

1. **Color Change**: Has the color of the substances changed?
2. **Temperature Change**: Did the reaction produce heat (exothermic) or absorb heat (endothermic)?
3. **Gas Production**: Is there any bubbling or gas formation?
4. **Precipitate Formation**: Has a solid formed in a liquid solution?
5. **Irreversibility**: Is it difficult or impossible to reverse the process?

If you can describe the image or the scenario, I can help you determine whether a chemical reaction has occurred!